A flag staff of 5m high stands on a buil...

A flag staff of 5m high stands on a building of 25m high. At an observer at a height of 30 m. The flag staff and the building subtend equal angles . The distance of the observer from the top of the flag staff is

`(5sqrt(3))/2`

`5sqrt(3/2)`

`5sqrt(2/3)`

None of these

Text Solution

Verified by Experts

The correct Answer is:

Topper's Solved these Questions

HEIGHTS AND DISTANCES
MCGROW HILL PUBLICATION|Exercise MULTIPLE CHOICE QUESTIONS|41 Videos
FUNDAMENTALS OF ALGEBRA
MCGROW HILL PUBLICATION|Exercise Multiple Choice Questions|23 Videos
INCOMPLETE FIGURES
MCGROW HILL PUBLICATION|Exercise EXAMPLE|2 Videos

Similar Questions

Explore conceptually related problems

A flag - staff of 10 meters high stands on a building of 50 meters height.For an observer at a height of 60 meters,the flag - staff and the building subtend equal angles. The distance of the observer from the top of the flag - staff is

A pole of 50 meter high stands on a building 250m high.To an observer at a height of 300m, thebuilding and the pole subtend equal angles.The distance of the observer from the top of The pole

5 m high pole stands on a building of height 25 m. The pole and the building subtend equal angles at an antenna placed at a height of 30 m. The distanceo f the antenna from the top of the pole is

A tower of x metres height has flag staff at its top. The tower and the flag staff subtend equal angles at a point distant y metres from the foot of the tower. Then, the length of the flag staff in metres is

A flag staff of height 10 metres is placed on the top of a tower of height 30 metres.At the top of a tower of height 40 metres,the flag staff and the tower subtend equal angles then the distance between the two towers in metres is

A tower of height 5 m and a flagstaff on top of the tower subtend equal angles at a point on the ground, distant 13 m from the base of the tower. The height of the flag staff is

MCGROW HILL PUBLICATION-HEIGHTS AND DISTANCES -MULTIPLE CHOICE QUESTIONS

The upper part of a tree, broken by the wind makes an angle of 60° wit...
Text Solution
|
A man on the top of a tower, standing on the seashore, finds that a...
Text Solution
|
A tower subtends an angle alpha at a point A in the plane of its base ...
Text Solution
|
A flag staff of 5m high stands on a building of 25m high. At an obse...
Text Solution
|
An aeroplane flying at a height 300 metre above the ground passes vert...
Text Solution
|
At a point on level ground, the angle of elevation of a vertical to...
Text Solution
|
The straight roads intersect at an angle of 60°. A bus on one road is ...
Text Solution
|
A flagstaff 10 m high stands at the centre of a equilateral triangle, ...
Text Solution
|
A tree is broken by wind, its upper part touches the ground at a point...
Text Solution
|
From the top of a light house, the angles of depression of two station...
Text Solution
|
A flag staff on the top of the tower 80 mt of height subtends an angle...
Text Solution
|
An aeroplane flying horizontally 900 m above the ground is observed at...
Text Solution
|
From the top of the house 18m high, if the angle of elevation of the t...
Text Solution
|
If the angle of elevation of an object from a point 100 m above a lake...
Text Solution
|
A tower subtends an angle alpha at a point A in the plane of its base ...
Text Solution
|
If the angles of elevation of the top of a tower from two points at d...
Text Solution
|
A boat is rowed away from a cliff 150 m high. At the top of the cliff,...
Text Solution
|
From the top of a church spire 96 m high, the angle of depression of t...
Text Solution
|
A flagstaff of height 1/5 of the height of a tower is mounted on the t...
Text Solution
|
The angles of elevation of the tops of two vertical towers as seen fro...
Text Solution
|